#02042B#02042B

#02042B is a very dark, moderate blue. Relative luminance 0.003; OKLCH L 14.7% C 0.079 H 268.0°. Best body text is #FFFFFF at 19.91:1 contrast (WCAG AA passes).

Color values

HEX	#02042B
RGB	rgb(2, 4, 43)
HSL	hsl(237, 91%, 9%)
HSV	hsv(237, 95%, 17%)
CMYK	cmyk(95.3%, 90.7%, 0%, 83.1%)
CIE-LAB	lab(2.48, 9.99, -23.52)
CIE-LCH	lch(2.48, 25.55, 293.00°)
OKLab	oklab(14.72% -0.0028 -0.0794)
OKLCH	oklch(14.72% 0.079 268)
XYZ	xyz(0.5043, 0.2741, 2.3114)
Luminance	0.0027 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#02042B #2B2902

analogous

#02192B #02042B #15022B

triadic

#02042B #2B0204 #042B02

tetradic

#02042B #2B0219 #2B2902 #022B15

square

#02042B #2B0219 #2B2902 #022B15

split-complementary

#02042B #2B1502 #192B02

monochromatic

#01031D #01031D #02042B #050965 #070FA0

Accessibility & contrast

On white

19.91

#02042B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.05

#02042B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #02042B

19.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##02042B	#FFFFFF	#000000	##FFFFFF
##02042B	1.00	19.91	1.05	19.91
#FFFFFF	19.91	1.00	21.00	1.00
#000000	1.05	21.00	1.00	21.00
##FFFFFF	19.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000B2C

Deuteranopia (green-blind)

#00072A

Tritanopia (blue-blind)

#000F16

Achromatopsia (no color)

#090909

Design tokens & code

CSS

--color: #02042b;
/* rgb */ color: rgb(2, 4, 43);
/* oklch */ color: oklch(14.7% 0.079 268.0);

Tailwind

colors: {
  custom: {
    50: '#484864',
    500: '#02042b',
    950: '#000000',
  },
}

SCSS

$custom: #02042b;
$custom-light: #484864;
$custom-dark: #000000;

JSON

{
  "hex": "#02042b",
  "rgb": {
    "r": 2,
    "g": 4,
    "b": 43
  },
  "hsl": {
    "h": 237.073,
    "s": 91.111,
    "l": 8.824
  },
  "oklch": {
    "l": 0.14718,
    "c": 0.07943,
    "h": 268
  },
  "luminance": 0.00274
}

Semantic roles & 50–950 ramp

primary

#02042B

secondary

#706C19

accent

#F529FF

background

#F4F4F6

surface

#E7E6EB

border

#C3C2C6

text

#010005

muted

#77777A

Preview Lab

Preview with #02042B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →